BREATHER AS 9Y4357 - Caterpillar

Removal Procedure
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View from above the high-pressure turbocharger.
Remove nuts (1). Remove bolts (2) and remove heat shield (3).
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Remove nut (4).
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Remove bolts (5) and heat shield (6).
Illustration 4 g06032251
View below the low-pressure turbocharger.
Remove bolts (7) and bracket (8).
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Remove bolts (9). Remove heat shield (10).
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Remove bolts (11) and remove heat shield (12).
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Remove clamps (13) and (17). Remove pipe assembly (14). Remove heat shield (15) and heat shield (16).
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Remove gaskets (18) from both ends of pipe assembly (14).
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Remove bolts (19) and nuts (20). Remove heat shield (21).
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Remove bolt (22) and plate (23).
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Remove bolts (24) and remove heat shield (25).
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Remove bolts (27) and disconnect tube assembly (26). Remove tube assembly (28).
Illustration 13 g06048705
View below the turbocharger.
Remove P-clip (29). Remove tube assembly (26).
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View above the turbocharger.
Remove tube assembly (30).
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Remove clamps (31) and boot assembly (32). Remove clamp (33).
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Remove bolts (34) and disconnect tube assembly (35). Remove bolts (36) and remove turbocharger (37).Installation Procedure
Install turbocharger (38) in the reverse order of removal.
Tighten nuts (37) to a torque of 71 7 N m (52 5 lb ft).
Tighten nuts (36) to a torque of 42 4 N m (30.97752 2.95024 lb ft).
Tighten bolts (34) to a torque of 23 2 N m (204 18 lb in).
Tighten clamp (33) to a torque of 6 0.6 N m (53 5 lb in).
Tighten clamps (31) to a torque of 11 1 N m (97 9 lb in).
Tighten tube assembly (30) to a torque of 30 3 N m (266 27 lb in).
Tighten P-clip (29) to a torque of 9 1 N m (80 9 lb in)
Tighten tube assembly (28) to a torque of 30 3 N m (266 27 lb in).
Tighten bolts (27) to a torque of 25 2.5 N m (221 22 lb in).
Tighten tube assembly (26) to a torque of 60 6 N m (44 4 lb ft).
Tighten clamp (17) to a torque of 20 2 N m (177 18 lb in).
Tighten clamp (13) to a torque of 20 2 N m (177 18 lb in).